Encyclopedia > Barn (unit)

Article Content

Barn (unit)

A barn is a unit of area, equal to 10^-28 m²[?]. Although not an official SI unit, it is widely used by nuclear physicists as it is considered to be "as big as a barn" compared to the typical cross sections for nuclear reactions[?].

External links

IUPAC citation for this usage of "barn" (http://www.iupac.org/goldbook/B00598.pdf)
http://www-ed.fnal.gov/painless/htmls/cross

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Battle Creek, Michigan

... there are 91.9 males. For every 100 females age 18 and over, there are 87.2 males. The median income for a household in the city is $35,491, and the median income for a ...